Asbestos removal variance correspondence, 130 Cedar Street, Jan 2005

NYC 9/11 Public Portal Document vl/LI/4VUJ UO.4v rMA bob 4(4 OGV( Laval. construction Corp. l9 007/013 01/26/2005 09:21 17325653654 NOVA DEVELOPMENT GRP PAGE 07

EAST COAST•HAZ MAT REMOVAl, INC Asbestos Abatement Contractor • 494 6141 Street, Potereon, NJ 071104 Phone: (9.73) 345-0 Fekr.(973) 345m5S Work Areal A ('Pipe Shaft)

All Ploor* Pipe S1wlt -'~- Ground, Floor Chase N. Bata Total 700 LE Variance TM 2-12

Abatement of tranmlta panels and fire dnm s (440 r.f.) Abatement of w ro inaulatihrfl (X16 I,F) Abatement of pipe tasulaile n (Pipe Shaft) (700 L) We shall ew npiy with ettaohruent TM and D.

We are requesting a variance from the following aubaections: Seetiun 1-91(m): Partial piaatiei tion of the work area(s). Section 1-82(a) & 1-83(a). Remote decontamination feeilitle.4. Section1-9t : Static negative air Pressure of lea than 0.02 inch water column. Wnrk~ZcedurN fW'ork Arm- A & B) a. All tent eno1osvm and contiguous spaces within a radlue of 10 feet shall by roped off and regulated to allow only eertifed workers and authotised visitors' to enter. AU tents shall be lined with 2 layorR of plastic sheeting (6-edt mnonnts of ACM that may be abated In sereh modified thickness at a minimum), the tent obeli not exceed 160 square feet. or (b) 260 linear feet, or a 160 combined fact (.sytsarc plum linear). b. All modified tents shall be fully framed (including horizontally acmes the top, if applicable) with aae3 (mtniunism) wood or metal :spuds spaced oe-center vertically anrimd.al1 sides (except at tho not more ban 36 Inch eorrtcr- enty/exit which llaII riot exceed 36 Inch wider; • And a minimum of One Air volume change per 1S minutes through each modf fled tent shall be maintained. C. Art airlock h wing as. least 3 feet length between the two ourtairad doorways shale be eoltatrueteal at the entrance to each said eveay teiu if the tents, and if a deoont sinatlon unit Is not decontamination unit is not attached to the attached to each tent, he extra clew, and urreotuaadaale8 disposable iodated within each airlock there shall pro ective a%uim. d. Any decontamination unit the. Is not ailachod as a

., tent (i.e, that Is remote from a tent) shall be

NYC-WTC 000125708